QA Testing with 4g/5g Core Network

Pagaar India; Bengaluru; On-site; INR 600,000 - 1,000,000; Full time

Job summary

Pagaar India in Bengaluru is seeking a QA tester with deep experience in 4G/5G Core network testing. You will perform functional, integration, system, regression, and validation testing of core network functions, and validate control plane and end-to-end call flows.

The role requires hands-on use of Wireshark for protocol analysis, familiarity with NAS/NGAP/PFCP/GTP-U, and collaboration with Development and Network teams to drive quality and reliability.

Qualifications

• Strong experience in 4G/5G Core Network testing and validation.
• Good understanding of 5G Core architecture and network functions (AMF, SMF, UPF etc.).
• Hands-on knowledge of 5G protocols (NAS, NGAP, PFCP, GTP-U, SCTP, HTTP/2).
• Experience with protocol troubleshooting and log analysis.
• Knowledge of Linux/Unix environments and basic networking concepts.

Responsibilities

• Perform functional, integration, system, regression, and validation testing of 4G/5G Core network functions such as AMF, SMF, UPF and related components.
• Validate Control Plane functionalities and end-to-end 5G Core call flows.
• Test and troubleshoot telecom protocols including NAS, NGAP, PFCP, GTP-U/GTP-C, SCTP, and HTTP/2.
• Analyze signaling procedures, session management, mobility management, registration, and data forwarding.
• Execute test cases based on 3GPP specifications and 5G Core requirements.
• Perform protocol-level troubleshooting using packet captures and analysis tools like Wireshark.
• Identify, analyze, and report defects with logs, traces, captures, and steps to reproduce.
• Carry out regression and automation testing for 5G Core network functions.
• Prepare and maintain test plans, cases, scenarios, reports and defect logs.

Skills

4G/5G Core testing

Wireshark

Protocol troubleshooting

Linux/Unix

Python scripting

Test automation

Git/Jira/Jenkins

Education

Any Graduate

Tools

Git

Jira

Jenkins

Job description

## Job DescriptionTarget Role:QA testing with 4g/5G Core network in BengaluruEligibility:Any GraduateDirect Process:0% Placement ChargesKey Responsibilities* Perform **functional, integration, system, regression, and validation testing** of 4G/5G Core network functions such as **AMF, SMF, UPF, and related components**.* Validate **Control Plane** functionalities and end-to-end 5G Core call flows.* Test and troubleshoot telecom protocols including **NAS, NGAP, PFCP, GTP-U/GTP-C, SCTP, and HTTP/2**.* Analyze **signaling procedures, session management, mobility management, registration, authentication, PDU session establishment, and data forwarding**.* Execute test cases based on **3GPP specifications and 5G Core requirements**.* Perform **protocol-level troubleshooting** using packet captures and network analysis tools such as **Wireshark**.* Identify, analyze, and report defects with proper logs, traces, packet captures, and reproduction steps.* Perform **regression and automation testing** for 5G Core network functions.* Validate system performance, stability, scalability, and reliability under different traffic and network conditions.* Collaborate with **development, network, and integration teams** to investigate and resolve issues.* Prepare and maintain **test plans, test cases, test scenarios, test reports, and defect reports**.Required Skills* Strong experience in **4G/5G Core Network testing and validation**.* Good understanding of **5G Core architecture and network functions**, especially **MME, SGW, PGW, HSS, PCRF, AMF, SMF, UPF, UDM, AUSF, PCF, NRF*** Hands-on knowledge of **5G protocols** such as: + NAS + NGAP + PFCP + GTP-U / GTP-C + SCTP + HTTP/2* Good understanding of **Control Plane and User Plane architecture**.* Experience in **functional, integration, system, regression, and end-to-end testing**.* Strong knowledge of **5G signaling procedures and call flows**.* Experience in **protocol troubleshooting and log analysis**.* Hands-on experience with **Wireshark and packet-level analysis**.* Knowledge of **Linux/Unix environments** and basic networking concepts.* Experience with **test automation using Python or other scripting languages** is preferred.* Familiarity with **Git, Jira, Jenkins, or other testing/CI tools** is an added advantage.* Good understanding of **3GPP specifications** related to 4G/5G Core.Please share relavant profiles to [e-mail] joiners are preferred or short notice